Opioid prescribing for chronic musculoskeletal pain in UK primary care: results from a cohort analysis of the COPERS trial.
Tomi AshayeNatalia HounsomeDawn CarnesStephanie J C TaylorKate HomerSandra EldridgeAnne SpencerAnisur RahmanJens FoellMartin R Underwoodnull nullPublished in: BMJ open (2018)
ISRCTN24426731; Post-results.